Iron fillings can be separated as they are magnetic. Use a magnet to separate the iron fillings away.
Salt can be separated away as they are soluble in water.
Answer:
C, when the ball lands it will have the least amount potential energy.
Explanation:
here is a picture that should help you.
Answer:
<u>This means that there are only two elements in the compound . </u>
Explanation:
N/A .
Answer:
869.93J/g°C
Explanation:
From the question given, we obtained the following:
M = 42.6g
T1 = 12°C
T2 = 46°C
ΔT = T2 — T1 = 46 — 12 = 34°C
C =?
Q = 1260 KJ = 1260000J
Q = MCΔT
C = Q / MΔT
C = 1260000 /(42.6 x 34)
C = 869.93J/g°C
Therefore, the specific heat capacity is 869.93J/g°C
